1 /* 2 * Copyright (C) 2018 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.car.settings.users; 18 19 import android.annotation.UserIdInt; 20 import android.content.Context; 21 import android.content.pm.UserInfo; 22 import android.content.res.Resources; 23 import android.graphics.Bitmap; 24 import android.graphics.drawable.BitmapDrawable; 25 import android.os.UserHandle; 26 import android.os.UserManager; 27 28 import androidx.core.graphics.drawable.RoundedBitmapDrawable; 29 import androidx.core.graphics.drawable.RoundedBitmapDrawableFactory; 30 31 import com.android.internal.util.UserIcons; 32 33 /** 34 * Simple class for providing icons for users in Settings. 35 */ 36 public class UserIconProvider { 37 /** 38 * Gets a scaled rounded icon for the given user to use in settings. If a user does 39 * not have an icon saved, this method will default to a generic icon and update UserManager to 40 * use that icon. 41 * 42 * @param userInfo User for which the icon is requested. 43 * @param context Context to use for resources 44 * @return {@link RoundedBitmapDrawable} representing the icon for the user. 45 */ getRoundedUserIcon(UserInfo userInfo, Context context)46 public RoundedBitmapDrawable getRoundedUserIcon(UserInfo userInfo, Context context) { 47 UserManager userManager = UserManager.get(context); 48 Resources res = context.getResources(); 49 Bitmap icon = userManager.getUserIcon(userInfo.id); 50 51 if (icon == null) { 52 icon = assignDefaultIcon(userManager, res, userInfo); 53 } 54 55 return createScaledRoundIcon(res, icon); 56 } 57 58 /** Returns a scaled, rounded, default icon for the Guest user */ getRoundedGuestDefaultIcon(Resources resources)59 public RoundedBitmapDrawable getRoundedGuestDefaultIcon(Resources resources) { 60 return createScaledRoundIcon(resources, getGuestUserDefaultIcon(resources)); 61 } 62 createScaledRoundIcon(Resources resources, Bitmap icon)63 private RoundedBitmapDrawable createScaledRoundIcon(Resources resources, Bitmap icon) { 64 BitmapDrawable scaledIcon = UserUtils.scaleUserIcon(resources, icon); 65 RoundedBitmapDrawable circleIcon = 66 RoundedBitmapDrawableFactory.create(resources, scaledIcon.getBitmap()); 67 circleIcon.setCircular(true); 68 return circleIcon; 69 } 70 71 /** 72 * Assigns a default icon to a user according to the user's id. Handles Guest icon and non-guest 73 * user icons. 74 * 75 * @param userManager {@link UserManager} to set user icon 76 * @param resources {@link Resources} to grab icons from 77 * @param userInfo User whose avatar is set to default icon. 78 * @return Bitmap of the user icon. 79 */ assignDefaultIcon( UserManager userManager, Resources resources, UserInfo userInfo)80 public Bitmap assignDefaultIcon( 81 UserManager userManager, Resources resources, UserInfo userInfo) { 82 Bitmap bitmap = userInfo.isGuest() 83 ? getGuestUserDefaultIcon(resources) 84 : getUserDefaultIcon(resources, userInfo.id); 85 userManager.setUserIcon(userInfo.id, bitmap); 86 return bitmap; 87 } 88 89 /** 90 * Gets a bitmap representing the user's default avatar. 91 * 92 * @param resources The resources to pull from 93 * @param id The id of the user to get the icon for. Pass {@link UserHandle#USER_NULL} for 94 * Guest user. 95 * @return Default user icon 96 */ getUserDefaultIcon(Resources resources, @UserIdInt int id)97 private Bitmap getUserDefaultIcon(Resources resources, @UserIdInt int id) { 98 return UserIcons.convertToBitmap( 99 UserIcons.getDefaultUserIcon(resources, id, /* light= */ false)); 100 } 101 getGuestUserDefaultIcon(Resources resources)102 private Bitmap getGuestUserDefaultIcon(Resources resources) { 103 return getUserDefaultIcon(resources, UserHandle.USER_NULL); 104 } 105 } 106